Answer:
13.04863882=13.05.Id k if this is what you search for?
Explanation:
3,6+2,5+,6.,2-,5=
3,6+2,5+1.228033638=
3,6+5.700169593=13.04863882=13.05
13.05x13.05x13.05
=2222.45
Answer:
10
Step-by-step explanation:
5 to the power of 2 is 25, and -3 times 5 is -15, so 25-15=10
Answer:

Step-by-step explanation:

When there is a ( + ) in front of an expression in parentheses, there is no need to change the sign of each term. That means, the expression remains the same. Just remove the parentheses

Collect like terms

Subtract 3 from 12

Collect like terms

Hope I helped!
Best regards! :D
Answer:
Step-by-step explanation:
the formula for common difference is
d = aₙ - aₙ₋₁
So,
d = a₂-a₁ = a₃-a₂
d =7-14 & d=0-7
d = -7 & d = -7